Description of problem:
When I play some opengl game (like etracer  or openarena), it runs on my external display and laptop internal display is turned off. After quitting the game the laptop internal display is not turned back on, it remains off.
A few times it behaved differently, but mostly it works this way.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. have dual monitor setup, set external display as primary
2. run etracer
3. quit etracer
laptop display is turned off
laptop display stays on
Created attachment 521866 [details]
Created attachment 521867 [details]
xrandr of default monitor state
Reassigning to SDL. Problem seems to be that SDL uses xf86vidmode, which doesn't have a clue about multihead at all. It should probably be rewritten to use xrandr, and even that would be difficult.
This package has changed ownership in the Fedora Package Database. Reassigning to the new owner of this component.
SDL 1.2.14 uses xrandr to switch modes. But it does not have a clue about multihead. SDL 1.2.15 (available in Fedora 18) does not use xrandr by default due to this reason. One control the mode switching mode by SDL_VIDEO_X11_XRANDR environment variable (value `1' to use xrandr, value `0' not to use).
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I believe your problem will is fixed in F18 with SDL-1.2.15. Unfortunately, the whole fullscreen idea with Xorg multihead screen is inconsistent messy construction which cannot work in all cases. Please talk to upstream about ideas how to improve.